Home / 6,117.28-9,179.56-2,221.98

Finding the Fourth Proportional to 6,117.28, 9,179.56 and 2,221.98

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Solution

The fourth proportional to 6,117.28, 9,179.56 and 2,221.98 is: 3,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.28 : 9,179.56 = 2,221.98 : x
  2. Step 2: Convert to fraction form
    6,117.28/9,179.56 = 2,221.98/x
  3. Step 3: Cross multiply
    6,117.28x = 9,179.56 × 2,221.98
  4. Step 4: Simplify right side
    6,117.28x = 20,396,798.73
  5. Step 5: Solve for x
    x = 20,396,798.73/6,117.28
  6. Step 6: Final answer
    x = 3,334.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.